Finding the Fourth Proportional to 104,242.68, 143,855.40 and 56,496.02
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Solution
The fourth proportional to 104,242.68, 143,855.40 and 56,496.02 is: 77,964.77
Step by Step Solution
- Step 1: Write the proportion equation
104,242.68 : 143,855.40 = 56,496.02 : x - Step 2: Convert to fraction form
104,242.68/143,855.40 = 56,496.02/x - Step 3: Cross multiply
104,242.68x = 143,855.40 × 56,496.02 - Step 4: Simplify right side
104,242.68x = 8,127,256,836.23 - Step 5: Solve for x
x = 8,127,256,836.23/104,242.68 - Step 6: Final answer
x = 77,964.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.